Duplicate property declaration

• Jun 07, 2019

Note

The Duplicate property declaration code issue is JavaScript specific.

CodeRush Classic shows the Duplicate property declaration code issue if a property is declared two or more times.

Fix

Remove redundant property declaration or rename one of duplicated properties.

Purpose

Highlights duplicate property declarations, which denote an ambiguity in your code.

Example

JS

person = {
    name:"John",
    Age: 29,
    name:"John Smith"
}

Fix:

JS

person = {
    name:"John",
    Age: 29,
    fullname:"John Smith"
}